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CVE-2017-15023

Good to know:

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Date: October 4, 2017

read_formatted_entries in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, does not properly validate the format count, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted ELF file, related to concat_filename.

Language: C

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2017-15023
https://sourceware.org/bugzilla/show_bug.cgi?id=22200
http://www.securityfocus.com/bid/101611
https://access.redhat.com/security/cve/CVE-2017-15023
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=c361faae8d964db951b7100cada4dcdc983df1bf
https://security.gentoo.org/glsa/201801-01
https://blogs.gentoo.org/ago/2017/10/03/binutils-null-pointer-dereference-in-concat_filename-dwarf2-c/
https://security-tracker.debian.org/tracker/CVE-2017-15023
https://www.mend.io/vulnerability-database/CVE-2017-15023

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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Upgrade Version

Upgrade to version binutils-2_30

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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